FR3021355B1 - Procede et unite de diagnostic d'un capteur de pression differentielle - Google Patents
Procede et unite de diagnostic d'un capteur de pression differentielle Download PDFInfo
- Publication number
- FR3021355B1 FR3021355B1 FR1554313A FR1554313A FR3021355B1 FR 3021355 B1 FR3021355 B1 FR 3021355B1 FR 1554313 A FR1554313 A FR 1554313A FR 1554313 A FR1554313 A FR 1554313A FR 3021355 B1 FR3021355 B1 FR 3021355B1
- Authority
- FR
- France
- Prior art keywords
- differential pressure
- gradient
- diagnosing
- pressure sensor
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/24—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid specially adapted for measuring pressure in inlet or exhaust ducts of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1406—Exhaust gas pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Procédé de diagnostic d'un capteur de pression différentielle (15) qui détermine une pression différentielle (16) d'une unité de post-traitement des gaz d'échappement (11). Ce capteur est relié par un branchement amont (15.1) à la conduite (11) et en aval (15.2). Le diagnostic se fait sur la base de la comparaison d'un gradient en fonction du temps de la pression différentielle mesurée (16) et d'un gradient (32) prévisionnel. On détermine la corrélation entre la courbe du gradient mesuré (33) et la courbe du gradient prévisionnel (32). Pour une corrélation élevée ni le capteur (15) ni ses branchements (15.1, 15.2) sont défectueux.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014209718.5 | 2014-05-22 | ||
DE102014209718.5A DE102014209718A1 (de) | 2014-05-22 | 2014-05-22 | Verfahren und Diagnoseeinheit zur Diagnose eines Differenzdrucksensors |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3021355A1 FR3021355A1 (fr) | 2015-11-27 |
FR3021355B1 true FR3021355B1 (fr) | 2020-02-28 |
Family
ID=54431738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1554313A Expired - Fee Related FR3021355B1 (fr) | 2014-05-22 | 2015-05-13 | Procede et unite de diagnostic d'un capteur de pression differentielle |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN105089758B (fr) |
DE (1) | DE102014209718A1 (fr) |
FR (1) | FR3021355B1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016218820B4 (de) * | 2016-09-29 | 2019-01-10 | Audi Ag | Verfahren zum Diagnostizieren einer Messung einer Druckdifferenz |
US10385754B2 (en) * | 2016-12-20 | 2019-08-20 | GM Global Technology Operations LLC | Method and apparatus for monitoring flow resistance in an exhaust aftertreatment system |
DE102017205361A1 (de) * | 2017-03-29 | 2018-10-04 | Robert Bosch Gmbh | Verfahren und Computerprogrammprodukt zur Diagnose eines Partikelfilters |
DE102017006400A1 (de) | 2017-07-06 | 2019-01-10 | Daimler Ag | Verfahren zum Beurteilen eines Zustands eines Partikelfilters und Abgasanlage für einen Kraftwagen |
DE102017211575B4 (de) | 2017-07-06 | 2019-07-04 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose eines Differenzdrucksensors eines Partikelfilters |
DE102017220130B4 (de) * | 2017-11-13 | 2023-10-26 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose eines Differenzdrucksensors eines Partikelfilters |
DE102017222313A1 (de) * | 2017-12-08 | 2019-06-13 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose eines Differenzdrucksensors eines Partikelfilters |
DE102017223194B4 (de) * | 2017-12-19 | 2023-04-20 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose eines Partikelfilters |
FR3077133B1 (fr) * | 2018-01-19 | 2020-07-17 | Psa Automobiles Sa | Procede de controle de conformite au montage d'un capteur de pression d'un filtre a particules de moteur thermique |
DE102018215195A1 (de) * | 2018-09-07 | 2020-03-26 | Volkswagen Aktiengesellschaft | Verfahren zur Plausibilisierung eines Drucksensors |
DE102018218209A1 (de) * | 2018-10-24 | 2020-04-30 | Robert Bosch Gmbh | Verfahren zur Überwachung eines Abgasnachbehandlungssystems einer Brennkraftmaschine |
FR3094752B1 (fr) * | 2019-04-03 | 2021-03-12 | Psa Automobiles Sa | Procede de diagnostic de presence de gel dans un piquage d'un capteur de pression differentielle |
FR3096736A1 (fr) | 2019-05-28 | 2020-12-04 | Psa Automobiles Sa | Procede de diagnostic d'un etat de connexion d'un capteur de pression differentielle |
DE102020214627A1 (de) | 2020-11-20 | 2022-05-25 | Volkswagen Aktiengesellschaft | Verfahren zur Erkennung einer Fehlfunktion eines Differenzdrucksensors oder eines Drucksensorpaares |
CN114673585B (zh) * | 2022-04-19 | 2023-06-23 | 潍柴动力股份有限公司 | 压差传感器的故障诊断方法及其装置、处理器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005034270A1 (de) | 2005-07-22 | 2007-01-25 | Robert Bosch Gmbh | Verfahren zur Diagnose eines im Abgasbereich einer Brennkraftmaschine angeordneten Differenzdrucksensors und Vorrichtung zur Durchführung des Verfahrens |
JP4872615B2 (ja) | 2006-11-14 | 2012-02-08 | 株式会社デンソー | 内燃機関の診断装置 |
DE102006055237A1 (de) * | 2006-11-23 | 2008-05-29 | Robert Bosch Gmbh | Verfahren zur Prüfung der Vollständigkeit einer Regeneration eines Partikelfilters im Abgas eines Verbrennungsmotors |
JP2010222993A (ja) * | 2009-03-19 | 2010-10-07 | Yanmar Co Ltd | 内燃機関の排気浄化装置 |
DE102011003748A1 (de) | 2011-02-08 | 2012-08-09 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung der Funktion eines Differenzdrucksensors |
US8398742B2 (en) * | 2011-05-19 | 2013-03-19 | GM Global Technology Operations LLC | Pressure sensor disconnection detection systems and methods |
GB2496876B (en) * | 2011-11-24 | 2017-12-06 | Ford Global Tech Llc | Detection of soot burn in a vehicle |
US8966882B2 (en) * | 2012-09-12 | 2015-03-03 | GM Global Technology Operations LLC | Differential pressure-based enablement of a particulate filter diagnostic |
-
2014
- 2014-05-22 DE DE102014209718.5A patent/DE102014209718A1/de active Pending
-
2015
- 2015-05-13 FR FR1554313A patent/FR3021355B1/fr not_active Expired - Fee Related
- 2015-05-21 CN CN201510261603.1A patent/CN105089758B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
DE102014209718A1 (de) | 2015-11-26 |
FR3021355A1 (fr) | 2015-11-27 |
CN105089758A (zh) | 2015-11-25 |
CN105089758B (zh) | 2019-02-26 |
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ST | Notification of lapse |
Effective date: 20220105 |